{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T03:08:06Z","timestamp":1775099286466,"version":"3.50.1"},"reference-count":78,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T00:00:00Z","timestamp":1773014400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T00:00:00Z","timestamp":1773014400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100000275","name":"Leverhulme Trust","doi-asserted-by":"publisher","award":["RPG\u20102019\u2010364"],"award-info":[{"award-number":["RPG\u20102019\u2010364"]}],"id":[{"id":"10.13039\/501100000275","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001711","name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung","doi-asserted-by":"publisher","award":["TMPFP2_217001"],"award-info":[{"award-number":["TMPFP2_217001"]}],"id":[{"id":"10.13039\/501100001711","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000288","name":"Royal Society","doi-asserted-by":"publisher","award":["UF160216"],"award-info":[{"award-number":["UF160216"]}],"id":[{"id":"10.13039\/501100000288","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000288","name":"Royal Society","doi-asserted-by":"publisher","award":["URF_R_221010"],"award-info":[{"award-number":["URF_R_221010"]}],"id":[{"id":"10.13039\/501100000288","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["anatomypubs.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Anatomical Record"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Differences in skull and tooth morphology, stomach contents, and estimated bite force between medium\u2010to\u2010large sized (\u2265100\u2009kg) predatory theropod dinosaurs have long been suspected to correlate with differences in their diets and dietary guilds (e.g., hypercarnivory, piscivory). However, excluding exceptionally rare specimens with associated stomach contents or coprolites, the diets and dietary guilds of these taxa can be difficult to infer in detail. To enable comparisons across a wider array of taxa, especially those lacking stomach contents, an accurate, reliable proxy for diet needs to be employed. Dental microwear texture analysis (DMTA) has been used to investigate the diets of extant and extinct diapsids through examination of micron\u2010scale surface textures. Here, we present a pilot study to determine the utility of DMTA for assessing diet in theropod dinosaurs and whether single teeth can act as a proxy for microwear across the entire dentition. To accomplish this, we examined texture variation along the tooth row in four medium\u2010to\u2010large\u2010bodied theropods:\n                    <jats:italic>Allosaurus<\/jats:italic>\n                    ,\n                    <jats:italic>Ceratosaurus<\/jats:italic>\n                    ,\n                    <jats:italic>Irritator<\/jats:italic>\n                    , and\n                    <jats:italic>Tyrannosaurus<\/jats:italic>\n                    . Our results suggest that tooth position does affect DMTA and therefore DMT samples should be constrained using the following three guidelines: teeth should be sampled from within a single cranial element (premaxilla, maxilla or dentary); if comparing across elements, samples should be constrained to a single side of the teeth (labial or lingual); and comparisons across the labial surfaces of the dentary and maxillary teeth should be avoided. Our findings imply that taxonomically distinct isolated theropod teeth can be used to infer the dietary ecology of theropod faunal assemblages if constrained sampling occurs.\n                  <\/jats:p>","DOI":"10.1002\/ar.70170","type":"journal-article","created":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T11:10:12Z","timestamp":1773054612000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Inter\u2010 and intraspecific variation in theropod dinosaur dental microwear and its palaeoecological implications"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-3264-4752","authenticated-orcid":false,"given":"Cassius","family":"Morrison","sequence":"first","affiliation":[{"name":"Department of Earth Sciences University College London  London UK"},{"name":"Fossil Reptiles, Amphibians and Birds Section Natural History Museum  London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-9325-1452","authenticated-orcid":false,"given":"James","family":"Gregory","sequence":"additional","affiliation":[{"name":"EPSRC Future Metrology Hub, School of Computing &amp; Engineering University of Huddersfield  Huddersfield UK"},{"name":"Centre for Bio\u2010Interface Engineering, School of Computing &amp; Engineering University of Huddersfield  Huddersfield UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9848-7774","authenticated-orcid":false,"given":"Christopher","family":"Jackson","sequence":"additional","affiliation":[{"name":"EPSRC Future Metrology Hub, School of Computing &amp; Engineering University of Huddersfield  Huddersfield UK"},{"name":"Centre for Bio\u2010Interface Engineering, School of Computing &amp; Engineering University of Huddersfield  Huddersfield UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1098-6286","authenticated-orcid":false,"given":"Jordan","family":"Bestwick","sequence":"additional","affiliation":[{"name":"Department of Paleontology University of Zurich  Zurich Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7993-150X","authenticated-orcid":false,"given":"Katlin","family":"Schroeder","sequence":"additional","affiliation":[{"name":"Yale Institute for Biospheric Studies, Department of Earth and Planetary Science Yale University  New Haven Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2984-1810","authenticated-orcid":false,"given":"Samuel J.L.","family":"Gascoigne","sequence":"additional","affiliation":[{"name":"School of Biological Sciences University of Aberdeen  Aberdeen UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5468-6330","authenticated-orcid":false,"given":"Paul","family":"Bills","sequence":"additional","affiliation":[{"name":"EPSRC Future Metrology Hub, School of Computing &amp; Engineering University of Huddersfield  Huddersfield UK"},{"name":"Centre for Bio\u2010Interface Engineering, School of Computing &amp; Engineering University of Huddersfield  Huddersfield UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0546-2381","authenticated-orcid":false,"given":"Laura B.","family":"Porro","sequence":"additional","affiliation":[{"name":"Centre for Integrative Anatomy, Department of Cell and Developmental Biology University College London  London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9361-6941","authenticated-orcid":false,"given":"Philip D.","family":"Mannion","sequence":"additional","affiliation":[{"name":"Department of Earth Sciences University College London  London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0412-3000","authenticated-orcid":false,"given":"Paul M.","family":"Barrett","sequence":"additional","affiliation":[{"name":"Department of Earth Sciences University College London  London UK"},{"name":"Fossil Reptiles, Amphibians and Birds Section Natural History Museum  London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2026,3,9]]},"reference":[{"issue":"2","key":"e_1_2_8_2_1","doi-asserted-by":"crossref","first-page":"139","DOI":"10.1130\/G30402.1","article-title":"Oxygen isotope evidence for semi\u2010aquatic habits among spinosaurid theropods","volume":"38","author":"Amiot R.","year":"2010","journal-title":"Geology"},{"issue":"1","key":"e_1_2_8_3_1","doi-asserted-by":"crossref","DOI":"10.1038\/s41598-022-09272-z","article-title":"A large megaraptoridae (Theropoda: Coelurosauria) from upper cretaceous (Maastrichtian) of Patagonia, Argentina","volume":"12","author":"Aranciaga Rolando A. 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